Asm code runs slower with -O

[Mihnea Balta]

Hello, 

  I'm attaching a source file which contains two checksum routines, one 
written in asm and the other in plain C.
  If I compile with -O or -O2, the program runs about 1.3-1.5 times SLOWER 
than with no optimizations. My compiler is gcc-2.95.3 and my test machine is 
an AMD Athlon @ 1145 Mhz.
  Please bear with me if there's something wrong with my asm routine, since 
I'm just beginning to learn how gcc inline asm works.

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